Phase modulation depth extraction and correction and nonlinear influence factor elimination method and system in PGC-Atan demodulation method

The invention relates to a phase modulation depth extraction and correction and nonlinear influence factor elimination method and system in a PGC-Atan demodulation method. The light source modulation module generates a high-frequency carrier, an interference signal modulated by the high-frequency ca...

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Hauptverfasser:	ZHANG GUOQIANG, GUO SHAOPENG, QIU ZONGJIA, ZHANG MENG, ZHOU ZHENRUI, TANG BEIBEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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